Really desperate now, I uploaded my wordpress-installation onto my server and changed site-url and home-url in mysql. Now I am able to access my start page and wordpress-backend, but I cannot access pages or posts, I get an 404 error "site not found".
I tried to edit my .hcaccess, which now looks like this:
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress
Nothing changed, even after server-reboot. I even changed permission for .htaccess to "777" - again nothing. Also tried to save url-settings in wordpress-backend without any succes. Do you have any ideas?